Digital Transistors

Digital transistors are discrete semiconductors that are used to amplify electronic signals and electrical power. They take in a tiny electric current at one end of your circuit (an input current) and produce a much bigger electric current at the other end (an output current). In other words, they're a kind of current booster.

How do digital transistors work?

Digital transistors are made of a semiconductor material, usually silicon, which conducts the current (or electricity) with little resistance. They also tend to have at least three terminals for easy connection to an external circuit.

They can also work asswitches.A tiny electric current flowing through one part of a transistor can make a much bigger current flow through another part of it. In other words, the small current can switch on the larger one.

The benefits of using a digital transistor include:

  • a reduction in system cost
  • simplifies your circuit design
  • reduces circuit board space
  • reduces component count

Applications for digital transistors

Digital transistors can be used in several applications including:

  • Control of IC inputs
  • Automotive applications
  • Switching loads
  • Inverter circuits
  • Interface circuits
  • Driver circuits

...
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Description Price Transistor Type Number of Elements per Chip Maximum Continuous Collector Current Maximum Collector Emitter Voltage Typical Input Resistor Base-Emitter Resistor Mounting Type Package Type Pin Count Minimum DC Current Gain Maximum Power Dissipation Transistor Configuration Maximum Collector Emitter Saturation Voltage Maximum Emitter Base Voltage
RS Stock No. 186-7390
Mfr. Part No.FDS6875
HK$4.377
Each (On a Reel of 2500)
units
- 2 - - - - Surface Mount SOIC 8 - 1.6 (Single) W, 2 (Dual) W - - -
RS Stock No. 186-7162
Mfr. Part No.J175-D26Z
HK$1.191
Each (On a Reel of 2000)
units
- 1 - - - - Through Hole TO-92 3 - 350 mW Single - -
RS Stock No. 186-8631
Mfr. Part No.NVTR4502PT1G
HK$3.003
Each (In a Pack of 25)
units
- 1 - - - - Surface Mount SOT-23 3 - 1.25 W - - -
RS Stock No. 153-2874
Mfr. Part No.PEMD48,115
BrandNexperia
HK$0.939
Each (In a Pack of 100)
units
NPN + PNP 2 100 mA 50 V 2.2 (PNP) kΩ, 47 (NPN) kΩ - Surface Mount SOT-666 6 80 200 mW - 0.15 V -5 (PNP) V, 10 (NPN) V
RS Stock No. 145-8628
Mfr. Part No.BCR148WH6327XTSA1
BrandInfineon
HK$0.22
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 47 kΩ - Surface Mount SOT-323 (SC-70) 3 70 250 mW Single 0.3 V -
RS Stock No. 146-7044
Mfr. Part No.DTB123TCT116
BrandROHM
HK$0.386
Each (On a Reel of 3000)
units
PNP 1 -500 mA 40 V 2.2 kΩ - Surface Mount SOT-23 3 100 200 mW Single -300 mV -5 V
RS Stock No. 186-7423
Mfr. Part No.NJL0302DG
HK$28.982
Each (In a Tube of 25)
units
PNP 1 15 A 260 V dc - - Through Hole TO-264 5 75 180 W Single 1 V dc 5 V dc
RS Stock No. 186-7161
Mfr. Part No.J113-D74Z
HK$0.781
Each (On a Tape of 2000)
units
- 1 - - - - Through Hole TO-92 3 - 350 mW Single - -
RS Stock No. 186-7159
Mfr. Part No.FJN3305RTA
HK$0.355
Each (On a Tape of 2000)
units
NPN 1 100 mA 50 V 4.7 kΩ 10kΩ Through Hole TO-92 3 30 300 mW Single 0.3 V 10 V
RS Stock No. 170-2434
Mfr. Part No.DTD114EKT146
BrandROHM
HK$0.847
Each (On a Reel of 3000)
units
NPN 1 500 mA - 10 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 170-2436
Mfr. Part No.DTD123YKT146
BrandROHM
HK$0.847
Each (On a Reel of 3000)
units
NPN 1 500 mA - 2.2 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 178-5944
Mfr. Part No.EMH1T2R
BrandROHM
HK$1.245
Each (In a Pack of 100)
units
- 2 100 mA 50 V 22 kΩ 22kΩ Surface Mount SOT-563 6 56 150 mW - - -
RS Stock No. 186-7346
Mfr. Part No.2SJ652-1E
HK$14.762
Each (In a Tube of 50)
units
- 1 - - - - Through Hole TO-220 3 - 30 W - - -
RS Stock No. 183-4870
Mfr. Part No.DTC143TU3T106
BrandROHM
HK$0.381
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-323 3 100 200 mW Single 300 mV 5 V
RS Stock No. 781-4389
Mfr. Part No.MMUN2231LT1G
HK$0.311
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-23 3 8 400 mW Single 0.25 V -
RS Stock No. 178-5947
Mfr. Part No.DTA043ZEBTL
BrandROHM
HK$0.419
Each (In a Pack of 200)
units
PNP 1 -100 mA -50 V 4.7 kΩ 47kΩ Surface Mount SOT-416FL 3 80 150 mW Single - -
RS Stock No. 151-2657
Mfr. Part No.PUMB15,115
BrandNexperia
HK$0.462
Each (On a Reel of 3000)
units
PNP 2 -100 mA -50 V 4.7 kΩ 4.7kΩ Surface Mount SOT 6 30 200 (Per Transistor) mW, 300 (Per Device) mW - -150 mV -
RS Stock No. 186-8066
Mfr. Part No.MJH11019G
HK$35.725
Each (In a Pack of 2)
units
PNP 1 15 A 200 V dc - - Through Hole SOT-93 3 100 150 W Single 4 V dc 5 V dc
RS Stock No. 186-8514
Mfr. Part No.MMUN2238LT1G
HK$0.331
Each (In a Pack of 100)
units
NPN 1 100 mA 50 V dc - - Surface Mount SOT-23 3 160 400 mW Single 0.25 V dc -
RS Stock No. 857-8321
Mfr. Part No.BCR191WH6327XTSA1
BrandInfineon
HK$0.302
Each (On a Reel of 3000)
units
PNP 1 - 50 V 22 kΩ - Surface Mount SOT-323 (SC-70) 3 50 250 mW Single 0.3 V 10 V
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